20899687550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{2027}}^1$

素因数の和:2466

約数の個数: 96

約数和(自身を含む): 45083900160

約数和(自身を除く): 24184212610

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 331, 350, 445, 623, 662, 890, 1246, 1655, 2027, 2225, 2317, 3115, 3310, 4054, 4450, 4634, 6230, 8275, 10135, 11585, 14189, 15575, 16550, 20270, 23170, 28378, 29459, 31150, 50675, 57925, 58918, 70945, 101350, 115850, 141890, 147295, 180403, 206213, 294590, 354725, 360806, 412426, 670937, 709450, 736475, 902015, 1031065, 1262821, 1341874, 1472950, 1804030, 2062130, 2525642, 3354685, 4510075, 4696559, 5155325, 6314105, 6709370, 9020150, 9393118, 10310650, 12628210, 16773425, 23482795, 31570525, 33546850, 46965590, 59713393, 63141050, 117413975, 119426786, 234827950, 298566965, 417993751, 597133930, 835987502, 1492834825, 2089968755, 2985669650, 4179937510, 10449843775, 20899687550]

約数ペア:

[(1, 20899687550), (2, 10449843775), (5, 4179937510), (7, 2985669650), (10, 2089968755), (14, 1492834825), (25, 835987502), (35, 597133930), (50, 417993751), (70, 298566965), (89, 234827950), (175, 119426786), (178, 117413975), (331, 63141050), (350, 59713393), (445, 46965590), (623, 33546850), (662, 31570525), (890, 23482795), (1246, 16773425), (1655, 12628210), (2027, 10310650), (2225, 9393118), (2317, 9020150), (3115, 6709370), (3310, 6314105), (4054, 5155325), (4450, 4696559), (4634, 4510075), (6230, 3354685), (8275, 2525642), (10135, 2062130), (11585, 1804030), (14189, 1472950), (15575, 1341874), (16550, 1262821), (20270, 1031065), (23170, 902015), (28378, 736475), (29459, 709450), (31150, 670937), (50675, 412426), (57925, 360806), (58918, 354725), (70945, 294590), (101350, 206213), (115850, 180403), (141890, 147295)]